* {
    padding: 0px;
    margin: 0px;
    color: #fff;
}


/* 外部容器 */

.outer_box {
    position: relative;
    width: 100%;
    height: 100vh;
    background-image: url('../images/img.png');

    background-size: 100% 100%;
}


/* 内部登录窗口 */

.inner_box {
    position: absolute;
    width: 450px;
    height: 350px;
    /* background-color: rgba(127, 255, 212, 0.5); */
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    /* display: flex; */
}

.inner_box div {
    float: left;
    border-radius: 20px;
}


/* 登录表单 */

.inner_box .center_form {
    width: 410px;
    height: 380px;
    background-color: rgba(45, 131, 211, 0.219);
    box-shadow: 0px 0px 3px rgb(62, 168, 168);
}

.inner_box .center_form h1 {
    height: 60px;
    width: 410px;
    text-align: center;
    text-size-adjust: 25px;
}

.title {
    height: 50px !important;
    line-height: 50px;
    margin-bottom: 40px;
}


/* 输入框 */

input {
    width: 310px;
    margin: 10px 50px 0px 40px;
    height: 35px;
    padding-left: 20px;
    background: none;
    border: none;
    border-bottom: 1px solid #fff;
}

.inputClass::-webkit-input-placeholder {
    color: #fff;
    font-size: 20px;
}

#input:-moz-placeholder {
    color: #fff;
    font-size: 20px;
}

#input:-ms-input-placeholder {
    color: #fff;
    font-size: 20px;
}


/* 登录按钮 */

.signIn_btn {
    height: 80px;
    width: 410px;
    margin-top: 20px;
    line-height: 50px;
    text-align: center;
}

button {
    font-size: 25px;
    border-radius: 8px;
    background-color: rgba(65, 156, 230, 0.144);
    border-color: rgba(64, 136, 136, 0);
    margin: 5px;
    padding: 5px;
    width: 150px;
}

button:hover {
    background-color: rgba(65, 156, 230, 0.384);
    cursor: pointer;
}

a {
    text-decoration: none;
}